2.3
ELECTRICAL
Electrical products shall be in accordance with Section 16402 INTERIOR
DISTRIBUTION SYSTEM. Reactor vessels containing ultraviolet lamps shall be
independently grounded.
2.3.1
Motors
Motors, all motor starters, and any control or signal wiring required for
the operation of the specified equipment shall be provided and installed
under this section in accordance with Section 16402 INTERIOR DISTRIBUTION
SYSTEM unless otherwise specified herein, in other sections, or indicated
on the drawings.
2.3.2
Local Controls and Panels
Manual or automatic controls, protective or signal devices required for the
operation specified, and any control wiring required for controls and
devices, shall be provided. Enclosures for local power and control panels
shall conform to NEMA ICS 6.
2.3.3
Ultraviolet Equipment Electrical Requirements
a.
A separate prewired power panel shall be provided for each module.
b.
Ground fault detection or independent ground shall be standard
with the UV lamp equipment.
c.
Control and monitoring components shall be housed in NEMA
enclosures. Internal components shall be sealed from the
environment. System electronics to be used in an interior
environment shall be housed in enclosures conforming to NEMA 250
TYPE 12. System electronics to be used in an exterior and
corrosive environment, as defined in NEMA 250, shall be housed in
enclosures conforming to NEMA 250 TYPE 4X.
d.
Sufficient cooling shall be provided to the medium and high
temperature UV bulbs as well as associated ballasts to prevent
overheating.
e.
Wiring and electrical connections shall be protected against
moisture and corrosive gases to prevent electrical shorts or
failure. Electrical installation and materials shall conform to
NFPA 70. The unit shall be completely wired requiring only an
external connection for a single external power supply and remote
monitoring and control.
f.
Interconnecting, multiconductor, unshielded cables shall be
suitable for outdoor installation. Insulation shall be
thermoplastic rubber with an operating range of minus 60 to 125
degrees C minus 75 to 260 degrees F with low temperature
flexibility and flame retardants. UV stabilized jacketing shall
be resistant to oils, chemicals, fuels, solvents, and to
mechanical abuse and abrasion. Cable shall be supplied by the
equipment manufacturer and shall be of sufficient length and
number for a complete system.
g.
Cableways provided shall be stainless steel, 1.98 or 1.59 mm 14 or
16 gauge thick.
SECTION 11377
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